The Omnipure K2551-T33CAL is a 10" x 2" inline filter that combines granular activated carbon with calcite media to remove chlorine, improve taste, and neutralize acidic water by raising pH levels. Equipped with 1/4" quick-connect fittings, this dual-purpose K-Series cartridge delivers up to 6 months of service at 0.5 GPM for residential and light commercial applications.
SPECIFICATIONS
Core Performance Data
Dimensions
10" x 2"
Inline K-Series
Filtration Media
GAC + Calcite
Carbon & pH neutralizing
Flow Rate
0.5 GPM
Maximum rated
Service Life
6 Months
Typical capacity
Connections
1/4" FQC
Quick-connect both ends
Pressure Rating
125 PSIG
Maximum operating
TECHNICAL DETAILS
Operating Parameters
| Model Number | K2551-T33CAL (also known as K2551-JJT33CAL) |
| Manufacturer | Omnipure Filter Company |
| Filter Media | Granular activated carbon (GAC) with calcite (crushed white marble) |
| Primary Functions | Chlorine reduction, taste/odor improvement, pH neutralization (acid correction) |
| Temperature Range | 35°F to 100°F (2°C to 38°C) |
| Connection Type | 1/4" Female Quick Connect (FQC) inlet and outlet |
| Replacement Interval | Every 6 months or when flow/performance declines |
COMPATIBILITY & APPLICATIONS
Ideal Use Cases
The K2551-T33CAL is designed for homes and businesses with low pH or acidic source water that also require chlorine and taste/odor removal. The calcite media works to raise pH and reduce corrosive conditions that can damage plumbing fixtures, while the GAC stage removes chlorine, volatile organic compounds, and improves water taste. This filter integrates seamlessly into reverse osmosis systems as a post-filter or polishing stage, or can be installed inline on refrigerator lines, coffee makers, and point-of-use applications. The 1/4" quick-connect fittings make installation and replacement straightforward without tools. Note that 1/4" NPT fittings measure approximately 0.540" in actual diameter, not 0.25" as commonly assumed.
💧 Pro Tip: If you have low pH water (below 6.5) causing blue-green staining on fixtures or pinhole leaks in copper pipes, the calcite in this filter helps neutralize acidity and protect your plumbing. Monitor pH levels periodically to confirm effectiveness, and replace on schedule to maintain consistent correction.
